Perhaps you should try some spelling variations:
11.1.1 communication » 11.4.1 communication, 13.3.10 communication, 2.3.1.1 communication
4.2 developpement » 4.2 development, de developpement, le developpement
developpement la » developpement de, developpement et, developpement du
technology gaps » technology gap
gaps inflation » has inflation, grade inflation, rapid inflation
primer 11.1.1 » primary 11.1.1, primer a2.1.1, primer 2.3.1.1
inflation a » inflation _, inflation tax, inflation rate
la afrique » l afrique, la fabrique, en afrique

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: technology gaps inflation a primer 11.1.1 communication costs 4.2 developpement la afrique.*.